Tecogen
NYSE: TGENWaltham, US · Delaware corporation · 1 known investors
Find your way into Tecogen
Tecogen designs and manufactures natural gas-powered cogeneration systems and chillers that provide on-site power, heating, and cooling. Its equipment serves data centers, healthcare facilities, recreation centers, ice rinks, industrial sites, indoor growing operations, and breweries.
Founders & leadership
BM
Benjamin M. LockeCo-CEO
JN
John N. HatsopoulosinCEODr. John N. Hatsopoulos is co-founder of Thermo Electron Corporation (now Thermo Fisher Scientific), where he previously served as president and vice chairman, and currently serves as co-CEO and director of Tecogen, a manufacturer of cogeneration systems and chillers. He holds a bachelor's degree in history and mathematics from Northeastern University and has received honorary doctorates in business administration from Boston College and Northeastern University.
RA
Robert A. PanorainPresident and COORobert Panora holds B.S. and M.S. degrees in Chemical Engineering from Tufts University and has served as President of Tecogen since 2000, with prior roles including General Manager of the Product Group, Engineering Manager, and Operations Manager at the company since 1984. He has overseen the development of Tecogen's cogeneration and chiller product lines across sales, marketing, engineering, and manufacturing functions.
DA
David A. GarrisonCFO, treasurer, and secretary
AR
Abinand RangeshinChief Executive Officer
RP
Roger P. DeschenesChief Financial and Accounting Officer and Treasurer
Board
CT
Charles T. MaxwellBoard director
JE
Joseph E. AounBoard director
EL
Earl LewisBoard director
AM
Angelina M. GalitevaChairperson
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Ahmed F. GhoniemBoard director
Investors · 1
Funding
SEC filings, press & company announcements$9M disclosed across 3 of 6 rounds · 2015–2025
- Undisclosed amountpublic offeringJul 2025Source ↗
▶Undisclosed amountofferedMay 2016 · 14 investors · ManufacturingRule 506(b)
▶Undisclosed amountofferedMay 2016 · 14 investors · Manufacturing
Rule 506(b)Officers, directors & promoters on the filing
- Ahmed F. GhoniemDirector
- David GarrisonExecutive Officer
- Robert A PanoraExecutive Officer
- Joseph E AounDirector
- Angelina M GalitevaDirector
- Earl R LewisDirector
- Charles T MaxwellDirector
- John N HatsopoulosExecutive Officer, Director
- Benjamin M LockeExecutive Officer
- First sale
- Apr 2016
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$3MraisedJan 2016 · ManufacturingRule 506(b)
▶$3MraisedJan 2016 · Manufacturing
Rule 506(b)Officers, directors & promoters on the filing
- Earl R LewisDirector
- John N HatsopoulosExecutive Officer, Director
- Benjamin M LockeExecutive Officer
- David GarrisonExecutive Officer
- Angelina M GalitevaDirector
- Joseph E AounDirector
- Robert A PanoraExecutive Officer
- Charles T MaxwellDirector
- Offering amount
- $3M
- Amount sold
- $3M
- First sale
- Dec 2015
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$5MraisedAug 2015 · ManufacturingRule 506(b)
▶$5MraisedAug 2015 · Manufacturing
Rule 506(b)Officers, directors & promoters on the filing
- Joseph E AounDirector
- John N HatsopoulosExecutive Officer, Director
- Earl R LewisDirector
- Charles T MaxwellDirector
- David GarrisonExecutive Officer
- Angelina M GalitevaDirector
- Robert A PanoraExecutive Officer
- Benjamin M LockeExecutive Officer
- Offering amount
- $5M
- Amount sold
- $5M
- First sale
- Aug 2015
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1MraisedFeb 2015 · 1 investors · ManufacturingRule 506(b)
▶$1MraisedFeb 2015 · 1 investors · Manufacturing
Rule 506(b)Officers, directors & promoters on the filing
- Benjamin M. LockeExecutive Officer
- John N. HatsopoulosExecutive Officer, Director
- Charles T. MaxwellDirector
- Joseph E. AounDirector
- Robert A. PanoraExecutive Officer
- Earl LewisDirector
- David A. GarrisonExecutive Officer
- Angelina M. GalitevaDirector
- Ahmed F. GhoniemDirector
- Offering amount
- $1M
- Amount sold
- $1M
- First sale
- Jan 2015
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Frequently asked questions
- What does Tecogen do?
- Tecogen designs and manufactures natural gas-powered cogeneration systems and chillers that provide on-site power, heating, and cooling. Its equipment serves data centers, healthcare facilities, recreation centers, ice rinks, industrial sites, indoor growing operations, and breweries.
- Who are Tecogen's investors?
- Tecogen's investors include Wonder Ventures.
- How much funding has Tecogen raised?
- Tecogen has disclosed $9M raised across 3 of its 6 known rounds.
- Where is Tecogen headquartered?
- Tecogen is headquartered in Waltham, US.